Answer :
- Plants do not have a digestive system because their need for nourishment is fulfilled through the process of photosynthesis and cellular respiration. They obtain their energy and and nutrients from the energy of the sun to create their supply to live.
- The answer in the picture given
- Certain plants close their stomata during the hottest part of the day so that the amount of loss of water by the process of transpiration is reduced. It help the plant to stop excessive transpiration.
